Tobacco – Tobacco treatment – Puffing
Patent
1978-04-20
1981-11-03
Millin, V.
Tobacco
Tobacco treatment
Puffing
131302, 131304, A24B 318
Patent
active
042980127
ABSTRACT:
Tobacco ribs which are separated from laminae are contacted by steam at a temperature of approximately 150 degrees whereby the steam condenses on the surfaces of ribs and the thus released heat promotes the penetration of condensate into as well as gradual evaporation of initial moisture and condensate in the interior of ribs to thereby increase the specific volume of the ribs. The ribs are agitated during contact with and are caused to float in steam. Warm water is sprayed onto the ribs during contact with steam. The contact with steam prior to start of expansion takes up approximately one minute, and the ribs remain in contact with steam for another minute to effect expansion by evaporated moisture. The thus treated ribs are immediately rolled, severed and dried. The volume of ribs can be increased still further by contacting the severed ribs, prior to drying, with steam and water to bring about additional evaporation of moisture in the interior of severed ribs.
REFERENCES:
patent: 1201510 (1916-10-01), Schuyler
patent: 2653093 (1953-09-01), Baer
patent: 3742961 (1973-07-01), Waller
patent: 4004594 (1977-01-01), Wochnowski et al.
patent: 4091824 (1978-05-01), Psaras
patent: 4094323 (1978-06-01), Frazier et al.
patent: 4102349 (1978-07-01), Psaras et al.
Hauni-Werke Korber & Co. KG.
Kontler Peter K.
Millin V.
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